Kenichiro Nishikawa

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The efficacy of 2nd-look esophagogastroduodenoscopy (EGD) with endoscopic hemostatic therapy (EHT) for the prevention of postendoscopic submucosal dissection (ESD) clinical bleeding remains controversial. The aim of this study was to estimate post-ESD bleeding rate using 2nd and 3rd-look strategy, and to determine risk factors for clinical bleeding, and for(More)
Inflammatory changes (synovitis and bone marrow edema) and destructive changes (bone erosion) were evaluated by magnetic resonance imaging (MRI) in patients with rheumatoid arthritis (RA), and their relations with disease activity were assessed during treatment with tumor necrosis factor (TNF) inhibitors. Ten patients with early active RA underwent MRI at 0(More)
Interleukin 17 (IL-17) is a pleiotropic cytokine that acts on both immune and non-immune cells and is generally implicated in inflammatory and autoimmune diseases. Although IL-17 as well as their source, mainly but not limited to Th17 cells, is also abundant in the inflamed intestine, the role of IL-17 in inflammatory bowel disease remains controversial. In(More)
Incomplete resection of gastric neoplasms by endoscopic treatment could lead to residual/local recurrence, which may be difficult to identify. This study aimed to evaluate the usefulness of magnifying endoscopy for identifying and demarcating residual/local recurrent gastric neoplasms after endoscopic treatment. Between December 2004 and November 2010,(More)
causing anemia A 73-year-old woman with type C hepatitis underwent esophagogastroduodenoscopy because of asymptomatic anemia (hemoglobin concentration 8.6g/dL). Endoscopy revealed a large pedunculated polyp in the greater curvature of the gastric body (●" Fig.1a). The polyp was covered for the most part by normal reddish mucosa and partly by an ulcer (●"(More)
We encountered a rare case in which a 14 mm ampullary tumor had both components of neuroendocrine carcinoma and adenocarcinoma, which caused acute pancreatitis. A Sixty-one-year-old woman was referred to our hospital for evaluation and treatment of pancreatitis due to an unknown cause. After various imaging examinations, the cause of pancreatitis was found(More)
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